/**
 * Sidebar group — a labelled section of `mud-sidebar-item` rows.
 *
 * A divider is rendered automatically above every group except the first.
 *
 * @element mud-sidebar-group
 * @slot - `mud-sidebar-item` elements.
 * @part heading - The section heading label.
 */
export declare class MudSidebarGroup {
    /** Section heading label. */
    heading?: string;
    /** Collapsed (icon-only) rail — propagated by the parent `mud-sidebar`. @internal */
    collapsed: boolean;
    render(): any;
}